This is the 2249th most frequent Chinese word.
紐約市
"紐約市" means "New York City."
The term 紐約市 is used here as the main subject of the sentence to indicate the location being described.
紐約市是一個繁忙的城市，擁有很多著名的地標。
New York City is a bustling city with many famous landmarks.
Here, 紐約市 specifies the ownership of the subway system being discussed, providing context and identification.
紐約市的地鐵系統非常便利，連接了許多地方。
The subway system in New York City is very convenient, connecting many places.
In this sentence, 紐約市 is used as a destination for the planned travel, focusing on the place to visit.